Fix line ending regex, fixes #260

Author: Rachel Macfarlane

src/common/diffHunk.ts

@@ -194,7 +194,7 @@ function parsePatch(patch: string): DiffHunk[] {
 }
 
 export function getModifiedContentFromDiffHunk(originalContent, patch) {
-	let left = originalContent.split(/\r|\n|\r\n/);
+	let left = originalContent.split(/\r?\n/);
 	let diffHunkReader = parseDiffHunk(patch);
 	let diffHunkIter = diffHunkReader.next();
 	let diffHunks = [];

src/common/repository.ts

@@ -237,7 +237,7 @@ export class Repository {
 			return [];
 		}
 
-		return result.stdout.trimRight().split(/\r|\n|\r\n/).map(branchName => {
+		return result.stdout.trimRight().split(/\r?\n/).map(branchName => {
 			return branchName.substr(2);
 		});
 	}